Class 12 Chemistry - Chapter 19: Chromatography Notes (New Curriculum 2022-2023)

 If you are a Class 12 (HSSC-II) FBISE student, these handwritten notes for Chemistry Chapter 19: Chromatography are prepared according to the new FBISE National Curriculum (2022–2023) and current board exam requirements.

The notes focus on important concepts of chromatography, its main components, thin-layer chromatography, and the selection of mobile and stationary phases, which are frequently tested in short and conceptual questions in FBISE exams. You can download the complete handwritten notes from the link provided under the Download section at the end of this post.

Chapter Overview: Chromatography

Chromatography is an important analytical technique used to separate, identify, and purify the components of a mixture. It is widely used in chemistry laboratories for qualitative and quantitative analysis of substances.

This chapter is mainly theory-based and is considered an easy and scoring chapter if prepared properly.

Topics Covered

The following exam-relevant topics are covered in these notes: main components of chromatography, thin-layer chromatography, and selection of mobile and stationary phase.

Important Concept Explanations

Chromatography: Chromatography is a separation technique in which the components of a mixture are separated based on their different rates of movement between two phases.

Main Components of Chromatography: The two main components of chromatography are the stationary phase and the mobile phase. The stationary phase remains fixed in place, while the mobile phase moves through it carrying the components of the mixture.

Thin-Layer Chromatography (TLC): Thin-layer chromatography is a type of chromatography in which a thin layer of adsorbent material such as silica gel or alumina is spread on a glass or plastic plate. It is commonly used to separate and identify small quantities of substances.

Selection of Mobile and Stationary Phase: The proper selection of mobile and stationary phases is important for effective separation. The choice depends on the nature, polarity, and solubility of the substances being separated.

Why These Notes Are Helpful

Covers only FBISE exam-oriented content, easy language for quick memorization, helpful for short and conceptual questions, clear explanation of chromatography principles, and written in a student-friendly format.

Download/View Class 12 Chemistry Notes - Chapter 19 Chromatography

Chapter 19 - Chromatography

Final Tip For the Students

This chapter is simple and highly scoring if the concepts are understood properly. Focus on the definitions, the role of stationary and mobile phases, and the working principle of thin-layer chromatography, as these are commonly asked in FBISE board exams.